Submittal Sheet

DAMPER MOTORS
63-2556—01 2
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Honeywell Automation and Control Products Sales Office (check white pages of your phone directory).
2. Honeywell Customer Care
1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
SPECIFICATIONS
Models: ML7215: 25 lb-in. (2.8 N•m) torque, foot-mounted
spring-return damper motor with 2-10 Vdc feedback signal.
Accepts 2-10 Vdc control signal.
Dimensions: See Fig. 1.
Electrical Ratings:
Supply Voltage: 24 ±6 Vac 50/60 Hz.
Power Consumption:
24 Vac, 60 Hz: 8.7 VA.
24 Vac, 50 Hz: 8.4 VA.
Torque:
Lift and Hold: 25 lb-in. (2.8 N•m).
Spring Return: 25 lb-in. (2.8 N•m).
Breakaway: 40 lb-in (4.5 N•m).
IMPORTANT
Never use motor continuously at the breakaway
torque rating.
NOTE: NOTE:Breakaway torque available to overcome
occasional large loads such as a seized damper.
Stroke:
Travel: 90°.
Timing:
Driving: 86 ±5 seconds.
Spring Return: 13 ±5 seconds.
Motor Rotation (Viewed From Shaft End):
Closed Position: Limit of clockwise rotation.
Open Position: Limit of counterclockwise rotation.
Crank Arm Rotation Limits: See Fig. 2.
Shipped with shaft in closed position.
Ambient Ratings:
Temperature:
Operating: -25°F to +125°F (-32°C to +52°C).
Storage: -30°F to +150°F (-34°C to +66°C).
Humidity: 5 to 95 percent relative humidity, noncondensing.
Terminal Connections: 1/4 in. (6 mm) quick-connect
terminals mounted on motor.
Shaft: Single-ended drive shaft with crank arm supplied.
Reliability:
Full-Stroke Cycles: 60,000.
Repositions: 1,500,000.
Approvals:
Underwriters Laboratory Inc.:
Flammability Rating: UL94-5V.
Component Recognized: File No. E4436, Guide No.
XAPX2, Vol. 9, Section 1, 7-25-83.
Accessories: See Table 1.
Fig. 1. M7215 Damper Motor dimensions in in. (mm).
7/16
(11)
1-1/4
(32)
5-3/16 (132)
4-1/2 (114)
3-1/2 (89)
2-1/4 (57)
4-1/2
(114)
5
(127)
4-1/32
(102)
1-3/8 (35)
3-1/8 (79)
M3851 TOP VIEW SIDE VIEW POWER END VIEW
1/4 (6)
4-1/2
(114)